Home / 47,147.36-65,064.48-25,928

Finding the Fourth Proportional to 47,147.36, 65,064.48 and 25,928

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Solution

The fourth proportional to 47,147.36, 65,064.48 and 25,928 is: 35,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.36 : 65,064.48 = 25,928 : x
  2. Step 2: Convert to fraction form
    47,147.36/65,064.48 = 25,928/x
  3. Step 3: Cross multiply
    47,147.36x = 65,064.48 × 25,928
  4. Step 4: Simplify right side
    47,147.36x = 1,686,991,837.44
  5. Step 5: Solve for x
    x = 1,686,991,837.44/47,147.36
  6. Step 6: Final answer
    x = 35,781.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.